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<tr><td><h2>Tutorial 3: Particles (Distributed Version)</h2></td></tr> 
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[<a href="tutorial3.html">Original Tutorial 3 </a> documentation]
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<p>An example of 2D particles bouncing around on a distributed grid .  When particles intersect, they each choose a random direction to go (including staying put).  Particles bounce off the wall and leave trails.

<p><hr><font color='red'>Note:</font> this description is different from the one which appears after following the tutorial documentation.  This is because the tutorial documentation overrides the <tt>getInfo</tt> method to provide a description.  If this method is not overridden, MASON instead tries to display a file called <tt>index.html</tt> stored in the same directory as the simulation (which is what's going on here). 

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